fixing user, group, and mtime with rsync?
matt at mattmccutchen.net
Tue Sep 16 17:35:40 GMT 2008
On Tue, 2008-09-16 at 10:02 +0200, Sven Hartrumpf wrote:
> Mon, 15 Sep 2008 15:21:37 -0400, matt wrote:
> > On Mon, 2008-09-15 at 14:05 +0200, Sven Hartrumpf wrote:
> > > I prepared a mirror (that is intended to be updated by rsync)
> > > by doing the initial copy using cpio (for efficiency on 15 million files).
> > > Unfortunately, user, group, and mtime of some directories and files
> > > was copied incorrectly.
> > >
> > > Can I use rsync (GIT) to fix this?
> > Yes, use rsync with the -a option. Also pass --size-only to avoid
> > resending the data of regular files due to the difference in mtime.
> Thanks Matt,
> that worked almost perfectly and was very quick for the 15 million files!
> The mtime of soft links was not corrected. Is this expected?
Rsync will preserve symlink mtimes using the lutimes system call if the
C library and kernel on the receiving machine both support it. Check
that "rsync --version" shows "symtimes", not "no symtimes". If the
kernel is Linux, it should be 2.6.22 or newer (IIRC).
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